/* Online Section Styles */
.online {
  height: 178.6rem;
  padding: 13rem 0;
}

.online__inner {
  margin: 0 auto;
  padding: 0 9.4rem;
}

.online__header {
  text-align: center;
  margin-bottom: 5rem;
}

.online__content {
  background-color: #f5fbff;
  padding: 8rem 10.6rem 10rem;
  border-radius: 5rem;
  margin-bottom: 6rem;
}

.online__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9.9rem 8rem;
  margin-bottom: 6rem;
}

.online__item {
  transition: transform 0.3s ease;
}

.online__item-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.1rem;
}

.online__item-decoration {
  position: absolute;
  top: 0.7rem;
}

.online__item-decoration img {
  width: 7rem;
  height: 6.2rem;
  object-fit: contain;
}

.online__item-title {
  font-family: Noto Sans JP;
  font-weight: 700;
  font-size: 2.8rem;
  line-height: 1.2;
  color: var(--color-primary-lighter);
  margin: 0 auto 1rem;
  text-align: center;
}

.online__item-image {
  width: 47.8rem;
  height: 30.3rem;
  margin-bottom: 2rem;
  overflow: hidden;
}

.online__item-image img {
  width: 100%;
  height: auto;
  display: block;
}

.online__item-description {
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.82;
  color: var(--color-text-primary);
  margin: 0 0.2rem 0 0;
}

.online__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  .online {
    height: 248.4rem;
    padding: 10.3rem 0;
  }

  .online__inner {
    padding: 0;
  }

  .online__header {
    margin-bottom: 4.3rem;
    padding: 0 1rem;
  }

  .online__content {
    padding: 7.7rem 2.4rem 5.8rem;
  }

  .online__grid {
    grid-template-columns: 1fr;
    gap: 8rem;
    margin-bottom: 3.4rem;
  }

  .online__item-header {
    gap: 1rem;
    margin-bottom: 0.2rem;
  }

  .online__item-decoration {
    top: -5rem;
    left: 15rem;
  }

  .online__item-decoration img {
    width: 4.7rem;
    height: 4.1rem;
  }

  .online__item-title {
    font-size: 2.4rem;
  }

  .online__item-image {
    width: 34.5rem;
    height: 21.869rem;
    margin-bottom: 1.2rem;
  }

  .online__item-description {
    font-size: 1.4rem;
    line-height: 2;
    margin: 0;
  }
}